Question

If perimeter of rectangle is 24 cm and its breadth is 5 cm, then what is it's length?​

Answer 1

Given :

• ᴘᴇʀɪᴍᴇᴛᴇʀ ᴏғ ʀᴇᴄᴛᴀɴɢʟᴇ ɪs 24 ᴄᴍ.
• ʙʀᴇᴀᴅᴛʜ ᴏғ ʀᴇᴄᴛᴀɴɢʟᴇ ɪs 5 ᴄᴍ.

To find :

• ʟᴇɴɢᴛʜ ᴏғ ʀᴇᴄᴛᴀɴɢʟᴇ

Solution :

$\sf \: We \: know \: that,$

$\sf \pink { Perimeter \: of \: rectangle = 2( length + breadth )}$

$\sf \: Let \: the \: length \: be \: ' x '$

$\sf \: Therefore,$

$\sf \: 24 = 2 ( X + 5 )$

$\sf \: 24 = 2x \: + 10$

$\sf \: 2x = 24 \: - 10$

$\sf \: 2x = 14$

$\sf \: x = \frac{14}{2}$

$\sf \: x = 7$

$\sf \green {The \: length \: of \: rectangle \: is \: 7 \: cm}$